<%--<html style="height: 100%; width: 100%; margin: 0px; padding: 0px">
    <body style="height: 100%; width: 100%; margin: 0px; padding: 0px"><iframe src="<%=request.getContextPath() + "/controller"%>" style="height: 100%; width: 100%; border: 0px; margin: 0px; padding: 0px"></iframe></body>
</html>--%>
<% response.sendRedirect(request.getContextPath() + "/controller"); %>
